[mkgmap-dev] mkgmap and bicycle routing

Sat Nov 5 18:24:58 GMT 2011

On Sat, Nov 05, Thorsten Kukuk wrote:

> 
> Hi,
> 
> we had here already some posts about Garmin Maps and routing for
> bicycles.
> 
> I did quite some tests in the last time. At first, the good news
> is, that with the 3.50 firmware for the 62s, routing for bikes
> works again really good. Looks like with 3.40 something was broken
> there. But I saw still some cycleways, where the Garmin refuses to
> route me about.
> 
> After looking at the OSM data, I found the following difference:
> - working:
>   highway=path
>   bicycle=designated
>   foot=designated
> 
> - not working:
>   highway=path
>   bicycle=official
>   foot=offcial
> 
> The rules in my style are the same as of the default style, and from
> that, there shouldn't be a difference. Both ways should be changed
> to highway=cycleway, and if I look at the map, this is working fine.
> The map draws a cycleway and not a path.
> 
> So my question is, how does mkgmap sets the flag if a bike is allowed
> or not? Could it be that mkgmap does not handle bicycle=official as
> bicycle=yes?
> 
> If somebody wants to test it: Create a long way with the working
> tags, escept a short distance in the middle. For this short distance,
> create a very, very long alternate route. The 62s will always use the
> alternate route, never the short one.

Here is one real life example:
http://www.openstreetmap.org/browse/way/26557366

Indeependent of from which side I'm coming, the 62s refuses to
route me over this part (requests a U-turn) of the way and
proposes a 2km alternate way.

  Thorsten

-- 
Thorsten Kukuk, Project Manager/Release Manager SLES
SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)